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  • Question #c7924 - Socratic
    Explanation: Given point #-> (x,y)-> (-3,10)# Given gradient #" " (m) =-2# Thus #y=mx+c" "# becomes #" " y=-2x+c# '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #color (blue
  • What is the mass of 211mL of a liquid that has a density of . . . - Socratic
    Approx 190*g By definition, rho, is given by the quotient rho_"density"="mass" "volume", and thus has units of g*mL^-1-=g*cm^-3 And so we simply rearrange
  • Question #cfae5 - Socratic
    a=0, 4 we will use the scalar (dot) product for two vectors veca=a_1hati+a_2hatj+a_3hatk," "vecb=b_1hati+b_2hatj+b_3hatk veca*vecb=|veca||vecb|costheta----(1) theta
  • Question #d35ab - Socratic
    It abolished Slavery Slavery was abolished in the United States in 1865 with the 13th amendment The emancipation proclamation signed on August the 28th in 1863 only freed the slaves in the Confederacy Some states like Kentucky had refused to secede despite their practising slavery and Lincoln needed their support at all costs
  • Question #68c71 - Socratic
    Explanation: From the section entitled, Area in terms of Cartesian coordinates of vertices I shall use the absolute value of the determinant of 3 points padded with 1s in the third column:
  • Question #682c7 - Socratic
    Here's how you could do that For starters, you can only dilute the original solution by adding water, the solvent In any dilution, the amount of solute remains constant So, your starting solution is 83%"v v", which means that you get "83 mL" of alcohol, the solute, for every "100 mL" of solution Let's say that the starting solution has a volume Vcolor(white)( )"mL" This solution will
  • Question #174a1 - Socratic
    This is a First Order Separable Ordinary Differential Equation The General Solutions as: y = C \\ e^(-1 2x^2) (x^2) We have: (x^2y+2y)dx+xdy=0 This is a First Order Separable Ordinary Differential Equation - There is no "proof" of the classification, we just really on the definitions It is "First Order" because the highest derivative is the First Derivative It is "Ordinary" because it is a
  • Question #6fb62 - Socratic
    x_1=pi 2, x_2=(3pi) 4, x_3=(3pi) 2 and x_4=(7pi) 4 (sinx)^2-(cosx)^2=1+sin2x -[(cosx)^2-(sinx)^2]=1+sin2x -cos2x=1+sin2x sin2x+cos2x=-1 (sin2x+cos2x)^2=(-1)^2 (sin2x
  • Question #895e3 - Socratic
    Explanation: For an easy solution to all proof questions its convenient to go for L H S= R H S method:





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